remove C++14 codes in tests

Author: abacus_fixer

source/source_basis/module_ao/test/orb_test.cpp

@@ -213,7 +213,7 @@ void test_orb::set_single_c2o(int TA, int TB, int LA, int NA, int LB, int NB)
 {
     this->test_center2_orb11[TA][TB][LA][NA][LB].insert(std::make_pair(
         NB,
-        std::make_unique<c2o>(ORB.Phi[TA].PhiLN(LA, NA), ORB.Phi[TB].PhiLN(LB, NB), OGT.MOT.pSB, Center2_MGT)));
+        std::unique_ptr<c2o>(new c2o(ORB.Phi[TA].PhiLN(LA, NA), ORB.Phi[TB].PhiLN(LB, NB), OGT.MOT.pSB, Center2_MGT))));
 }
 double test_orb::randr(double Rmax)
 {

source/source_hsolver/test/diago_bpcg_test.cpp

@@ -136,8 +136,8 @@ class DiagoBPCGPrepare
         const std::vector<T> &h_mat = DIAGOTEST::hmatrix_local;
         auto hpsi_func = [h_mat, dim](T *psi_in, T *hpsi_out,
                                 const int ld_psi, const int nvec) {
-            auto one = std::make_unique<T>(1.0);
-            auto zero = std::make_unique<T>(0.0);
+            std::unique_ptr<T> one(new T(1.0));
+            std::unique_ptr<T> zero(new T(0.0));
             const T *one_ = one.get();
             const T *zero_ = zero.get();
 

source/source_hsolver/test/diago_pexsi_test.cpp

@@ -160,7 +160,7 @@ class PexsiPrepare
             std::cout << "nrow: " << hmtest.nrow << ", ncol: " << hmtest.ncol << ", nb: " << nb2d << std::endl;
         }
 
-        dh = std::make_unique<hsolver::DiagoPexsi<T>>(&po, PARAM.input.nspin, nlocal, PARAM.input.nelec);
+        dh.reset(new hsolver::DiagoPexsi<T>(&po, PARAM.input.nspin, nlocal, PARAM.input.nelec));
     }
 
     void distribute_data()